Question: SQL language 5 points Suppose we have the following relational model: Movie(mov_id(PK), title, yr) Person(pid(PK), fname, Iname, gender) Acts_In(actor_id(PFK), movie_id(PFK), role) -- actor_id references Person,
SQL language

5 points Suppose we have the following relational model: Movie(mov_id(PK), title, yr) Person(pid(PK), fname, Iname, gender) Acts_In(actor_id(PFK), movie_id(PFK), role) -- actor_id references Person, movie_id references Movie If you want to query a count of how many movies each actor acted in each year, you should include the following in the query: SELECT COUNT(mov_id), COUNT(yr) FROM Movie M1, Person P1, Movie M2, Person P2 GROUP BY pid, yr GROUP BY pid
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